145039328

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20887}}^1$

素因数の和:20935

約数の個数: 48

約数和(自身を含む): 336881664

約数和(自身を除く): 191842336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 20887, 41774, 83548, 146209, 167096, 292418, 334192, 584836, 647497, 668384, 1169672, 1294994, 2339344, 2589988, 4532479, 4678688, 5179976, 9064958, 10359952, 18129916, 20719904, 36259832, 72519664, 145039328]

約数ペア:

[(1, 145039328), (2, 72519664), (4, 36259832), (7, 20719904), (8, 18129916), (14, 10359952), (16, 9064958), (28, 5179976), (31, 4678688), (32, 4532479), (56, 2589988), (62, 2339344), (112, 1294994), (124, 1169672), (217, 668384), (224, 647497), (248, 584836), (434, 334192), (496, 292418), (868, 167096), (992, 146209), (1736, 83548), (3472, 41774), (6944, 20887)]